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-rw-r--r--nova/exception.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/nova/exception.py b/nova/exception.py
index 95d8229b5..aa6609461 100644
--- a/nova/exception.py
+++ b/nova/exception.py
@@ -806,3 +806,10 @@ class CannotResizeToSmallerSize(NovaException):
class ImageTooLarge(NovaException):
message = _("Image is larger than instance type allows")
+
+
+class ZoneRequestError(Error):
+ def __init__(self, message=None):
+ if message is None:
+ message = _("1 or more Zones could not complete the request")
+ super(ZoneRequestError, self).__init__(message=message)